Skip to content
LexBuild

14 CFR § 31.23 - Flight load factor.

---
identifier: "/us/cfr/t14/s31.23"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 31.23 - Flight load factor."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "31.23"
section_name: "Flight load factor."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "C"
subchapter_name: "AIRCRAFT"
part_number: "31"
part_name: "AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106(g), 40113, 44701-44702, 44704."
regulatory_source: "Docket No. 1437, 29 FR 8258, July 1, 1964, as amended by Amdt. 31-1, 29 FR 14563, Oct. 24, 1964, unless otherwise noted."
cfr_part: "31"
---

# 31.23 Flight load factor.

In determining limit load, the limit flight load factor must be at least 1.4.